jadeburrell2361 jadeburrell2361
  • 20-02-2018
  • Mathematics
contestada

what is the gcf of the numerator and denominator of the rational expression
3x-15/x^2-x-20


A: x-5
B: x+4
C: 4
D: 5

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 25-02-2018
[tex] \frac{3x-15}{x^2-x-20} = \frac{3(x-5)}{(x+4)(x-5)}[/tex]

The only common factor is (x -5).

Selection A is appropriate.
Answer Link

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